[7] Results

Golang : How to generate QR codes?

golang qr-codes generate png

In this short tutorial, we will learn how to generate QR codes with the https://godoc.org/code.google.com/p/rsc/qr package. QR codes….... read more

Golang : Generate QR codes for Google Authenticator App and fix "Cannot interpret QR code" error

golang qr-codes generate png google-authenticator two-factor-authentication

This is a supplement tutorial for the previous tutorial on how to generate QR codes with Golang and….... read more

Golang : Verify token from Google Authenticator App

golang qr-codes verify google-authenticator two-factor-authentication

One of the steps to implement 2FA(two-factor authentication) is to verify the token generated by app such as Google Authenticator….... read more

Golang : How to implement two-factor authentication?

golang qr-codes authy generate google-authenticator two-factor-authentication

Nowadays, having a password no longer protects your account or website been hacked. This is because password is a "something….... read more

Golang : Encode image to base64 example

golang base64-string qr-code image

We will learn how to convert an image to base64 encoded string in this tutorial. Converting image data to base64….... read more

Golang : Get all countries phone codes

golang json-unmarshal-to-map countries-phone-codes iso

Continue from previous tutorial where we learn how to get all the currencies names, but this time it….... read more

Transferring Google Authenticator to new phone

google-authenticator qr-code move-to-a-different-phone

Recently, my old smartphone is showing sign of age and it is time to upgrade to a new phone. Transferring….... read more